Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | KRV72 | |
| Bore diameter | d | 24 mm |
| Outside diameter | D | 72 mm |
| Width | B | 80 mm |
| Basic dynamic load rating | C | 36.5 kN |
| Basic static load rating | C0 | 86 kN |
| Fatigue load limit | Pu | 12.8 kN |
| Limiting speed | nG | 1100 r/min |
| Mass | ≈m | 0.999 kg |
Manufacturer Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 399794 | |
| Brand | INA | |
| Base Type | KRV72 | |
| X Life Marking | n.r. |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Stud type track rollers KRV..-PP-A, single row needle roller bearings with particularly thick-walled outer ring, full complement needle roller set and with a solid roller stud with fixing thread and a mounting aid, axial guidance of outer ring is provided by the plastic axial plain washers, contact flange and contact washer, three-stage sealing by plastic axial plain washer on both sides, without eccentric collar | |
| Short Description | Stud type track roller |
Technical Data18 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Fit Diameter Of Roller Stud / Stud (D1) | 24 mm | |
| Outside Diamater (D) | 72 mm | |
| Total Width (B) | 80 mm | |
| Basic Dynamic Load Rating, Radial (Cr W) | 36,500 N | |
| Basic Static Load Rating, Radial (C0R W) | 86,000 N | |
| Speed On Permanent Grease Lubrication (Nd G) | 1,100 1/min | |
| Distance To Lubrication Hole (B3) | 11 mm | |
| Bolt/Stud Length Effectively (B2) | 49.5 mm | |
| Width Of Flats (W) | 14 mm | |
| Diameter Lubrication Hole (D3) | 4 mm | |
| Width, Outer Ring (C) | 29 mm | |
| Protrusion Outer Ring To Thrust Washer (C1) | 0.8 mm | |
| Thread Length (Ig) | 25 mm | |
| Stop Diameter Of Thrust Washer (D2) | 44 mm | |
| Tightening Torque Nut (Ma) | 220 Nm | |
| Fatigue Load Limit, Radial (Cur W) | 12,800 N | |
| Minimum Chamfer Dimension (Rmin) | 1.1 mm | |
| Witdh Of Thrust Washer (B1) | 30.6 mm |
